.left-nav {
    .header {
        display: flex;
        height: 80px;
        align-items: center;
        background-color: #002140;
        img {
            width: 40px;
            height: 40px;
            margin: 0 15px;
            border-radius: 50%;
        };
        h1 {
            font-size: 20px;
            color: #fff;
            margin-bottom: 0;
        }
    }
}